Model: 73655

Optical Element Retaining Ring

Properties:

Thread Class

Thread Pitch Diameters

+0.6747/+0.6950 inches

Thread Pitch Diameters

+0.6747 to 0.6950 inches

Thread Direction

Right-hand

Thread Length

0.094 inches

Overall Length

0.125 inches

Outside Diameter

0.695 inches

Thread Size

17/32-32

Aperture Diameter

0.548 inches

Screw Thread Series Designator

Uns

Thread Location

External

Internal Flange Thickness

0.031 inches

Knurled Periphery

Not provided

Material

Steel

Material

Steel

Surface Treatment

Chemical

NSN

1240-00-344-7639

Part Number

73655

Description

Ring,retaining,optical Element

CAGE

21587

A cylindrical item having an internally flanged diameter designed to retain a lens or window in the objective end, or a diopter scale at the viewing end of an optical instrument. It may have one or more of the following characteristics: internal thread or machined for a press fit, method of securing, and/or knurled periphery. For externally threaded items, see retainer, optical element. Excludes cell, optical element; nut, plain knurled; nut, plain round; and ring, retaining.

Part 73655 NSN 1240-00-344-7639

INC

FIIG

Concept No.

App. Key

Cond. Code

Status

INC:

22585

FIIG:

T271-J

Concept No.:

App. Key:

Cond. Code:

Status:

Material Classification

Hazardous material, precious metals, criticality, enviroment, and electrostatic discharge indicators

HMIC

PMIC

ESD/EMI

ENAC

MMAC

CRITL

HMIC:

PMIC:

ESD:

MMAC:

CRITL:

Packaging & Shipping

Est. Pack Size

Est. Pack Weight

Est. Item Weight

Est. Item Dim.

Pack Size:

Paclk Weight:

Item Weight:

Item Dim:

OPI

SPI No.

SPI Rev.

SPC Mkg.

LVL A

LVL B

OPI:

SPI No.:

SPI Rev.:

SPC Mkg:

LVL_A:

LVL_B:

Freight Classification

NMFC

UFC

LTL

LCL

WCC

TCC

SHC

ACC

NMFC:

095190

UFC:

49790

LTL:

70.0

LCL:

WCC:

72D

TCC:

SHC:

ACC:

Engineer Supplies

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Schedule B and Export

Schedule B: 9803200000
SITC: 93100
End Use: Military apparel and footwear
NAICS: 990000
USDA: 1

Freight Class: Military equipments not identified by kind